public DirItem FindTopLevelDir(DirectoryInfo dir)
{
while (dir != null)
{
var parent = ItemsInternal.FirstOrDefault(p => p.AbsolutePath == dir.FullName);
if (parent != null)
{
return(parent as DirItem);
}
dir = dir.Parent;
}
return(null);
}
public AbstractFileItem FindItem(string itemId)
{
var item = ItemsInternal.FirstOrDefault(c => c.Id == itemId);
if (item != null)
{
return(item as AbstractFileItem);
}
//如果不是顶层的Item,先找到顶层的Dir.
var path = Util.FromBase64(itemId);
var fi = new FileInfo(path);
var dir = fi.Exists ? fi.Directory : new DirectoryInfo(path);
if (!dir.Exists)
{
return(null);
}
var topLevelDir = FindTopLevelDir(dir);
var af1 = topLevelDir?.FindChildRecursive(dir, itemId);
return(af1);
}